Home / 860,150.76-1,187,188.68-545,619.16

Finding the Fourth Proportional to 860,150.76, 1,187,188.68 and 545,619.16

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Solution

The fourth proportional to 860,150.76, 1,187,188.68 and 545,619.16 is: 753,069.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,150.76 : 1,187,188.68 = 545,619.16 : x
  2. Step 2: Convert to fraction form
    860,150.76/1,187,188.68 = 545,619.16/x
  3. Step 3: Cross multiply
    860,150.76x = 1,187,188.68 × 545,619.16
  4. Step 4: Simplify right side
    860,150.76x = 647,752,890,343.11
  5. Step 5: Solve for x
    x = 647,752,890,343.11/860,150.76
  6. Step 6: Final answer
    x = 753,069.02

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.